DE29911372U1 - Power supply device for operating light-emitting diodes - Google Patents

Power supply device for operating light-emitting diodes

Info

Publication number
DE29911372U1
DE29911372U1 DE29911372U DE29911372U DE29911372U1 DE 29911372 U1 DE29911372 U1 DE 29911372U1 DE 29911372 U DE29911372 U DE 29911372U DE 29911372 U DE29911372 U DE 29911372U DE 29911372 U1 DE29911372 U1 DE 29911372U1
Authority
DE
Germany
Prior art keywords
power supply
supply device
current sources
monitoring circuit
rectifier
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE29911372U
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wofi Leuchten Wortmann and Filz GmbH
Original Assignee
Wofi Leuchten Wortmann and Filz GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wofi Leuchten Wortmann and Filz GmbH filed Critical Wofi Leuchten Wortmann and Filz GmbH
Priority to DE29911372U priority Critical patent/DE29911372U1/en
Publication of DE29911372U1 publication Critical patent/DE29911372U1/en
Priority to DE10033379A priority patent/DE10033379A1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/20—Controlling the colour of the light
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • H05B45/39—Circuits containing inverter bridges
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • H05B45/382—Switched mode power supply [SMPS] with galvanic isolation between input and output

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (12)

1. Stromversorgungseinrichtung zum Betrieb von Leuchtdioden (LED) (9) an einem Versorgungsnetz, mit einem primärseitig an das Versor­ gungsnetz anschließbaren EMV-Filter (2), an den ein HF-Wechselrichter (4) angeschlossen ist, welcher die Primärwicklung eines Transformators (5) speist, dessen Sekundärwicklung über einen HF-Gleichrichter (6) mit minde­ stens einer Stromquelle (8) verbunden ist, an die mindestens eine LED (9) anschließbar ist.1. Power supply device for operating light-emitting diodes (LED) ( 9 ) on a supply network, with an EMC filter ( 2 ) that can be connected on the primary side to the supply network, to which an HF inverter ( 4 ) is connected, which is the primary winding of a transformer ( 5 ) feeds, the secondary winding of which is connected via an HF rectifier ( 6 ) to at least one current source ( 8 ) to which at least one LED ( 9 ) can be connected. 2. Stromversorgungseinrichtung nach Anspruch 1, dadurch ge­ kennzeichnet, daß an dem EMV-Filter (2) ein Gleichrichter (3) zur Erzeugung einer gleichgerichteten Zwischenkreisspannung zum Betrieb des Wechsel­ richters (4) angeschlossen ist.2. Power supply device according to claim 1, characterized in that on the EMC filter ( 2 ) a rectifier ( 3 ) for generating a rectified intermediate circuit voltage for operation of the alternating converter ( 4 ) is connected. 3. Stromversorgungseinrichtung nach Anspruch 1, dadurch ge­ kennzeichnet, daß der Wechselrichter (4) eine selbstschwingende Schaltung aufweist.3. Power supply device according to claim 1, characterized in that the inverter ( 4 ) has a self-oscillating circuit. 4. Stromversorgungseinrichtung nach Anspruch 1, dadurch ge­ kennzeichnet, daß der Wechselrichter (4) mit integrierten Bausteinen ausge­ führt ist.4. Power supply device according to claim 1, characterized in that the inverter ( 4 ) leads out with integrated components. 5. Stromversorgungseinrichtung nach Anspruch 1, dadurch ge­ kennzeichnet, daß der Wechselrichter (4) ein Halbbrückendurchflußwandler ist. 5. Power supply device according to claim 1, characterized in that the inverter ( 4 ) is a half-bridge flow converter. 6. Stromversorgungseinrichtung nach Anspruch 1, dadurch ge­ kennzeichnet, daß am Ausgang des HF-Gleichrichters (6) eine Glättungs­ schaltung (7) angeschlossen ist.6. Power supply device according to claim 1, characterized in that a smoothing circuit ( 7 ) is connected to the output of the HF rectifier ( 6 ). 7. Stromversorgungseinrichtung nach Anspruch 1, dadurch ge­ kennzeichnet, daß an dem HF-Gleichrichter (6) eine Mehrzahl von Strom­ quellen (8) angeschlossen ist.7. Power supply device according to claim 1, characterized in that a plurality of current sources ( 8 ) is connected to the HF rectifier ( 6 ). 8. Stromversorgungseinrichtung nach Anspruch 1, dadurch ge­ kennzeichnet, daß die Stromquellen (8) als Konstantstromquellen ausge­ bildet sind.8. Power supply device according to claim 1, characterized in that the current sources ( 8 ) are out as constant current sources. 9. Stromversorgungseinrichtung nach Anspruch 1, dadurch ge­ kennzeichnet, daß die Stromquellen (8) mit einer Überwachungsschal­ tung (10) zur Begrenzung der Verlustleistung im Regelbaustein versehen sind.9. Power supply device according to claim 1, characterized in that the current sources ( 8 ) with a monitoring circuit ( 10 ) are provided to limit the power loss in the control module. 10. Stromversorgungseinrichtung nach Anspruch 8, dadurch ge­ kennzeichnet, daß die Überwachungsschaltung (10) als Temperaturüber­ wachungsschaltung ausgebildet ist.10. Power supply device according to claim 8, characterized in that the monitoring circuit ( 10 ) is designed as a temperature monitoring circuit. 11. Stromversorgungseinrichtung nach Anspruch 8, dadurch ge­ kennzeichnet, daß die Überwachungsschaltung (10) als Spannungs-Über­ wachungsschaltung ausgebildet ist.11. Power supply device according to claim 8, characterized in that the monitoring circuit ( 10 ) is designed as a voltage monitoring circuit. 12. Stromversorgungseinrichtung nach Anspruch 1, dadurch ge­ kennzeichnet, daß die einzelnen Konstantstromquellen (8) über einen ge­ meinsamen Masseanschluß für den Anschluß der LED (9) verfügen.12. Power supply device according to claim 1, characterized in that the individual constant current sources ( 8 ) have a common ground connection for the connection of the LED ( 9 ).
DE29911372U 1999-07-01 1999-07-01 Power supply device for operating light-emitting diodes Expired - Lifetime DE29911372U1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE29911372U DE29911372U1 (en) 1999-07-01 1999-07-01 Power supply device for operating light-emitting diodes
DE10033379A DE10033379A1 (en) 1999-07-01 2000-07-03 Power supply for light emitting diodes for room lighting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE29911372U DE29911372U1 (en) 1999-07-01 1999-07-01 Power supply device for operating light-emitting diodes

Publications (1)

Publication Number Publication Date
DE29911372U1 true DE29911372U1 (en) 1999-11-25

Family

ID=8075481

Family Applications (2)

Application Number Title Priority Date Filing Date
DE29911372U Expired - Lifetime DE29911372U1 (en) 1999-07-01 1999-07-01 Power supply device for operating light-emitting diodes
DE10033379A Ceased DE10033379A1 (en) 1999-07-01 2000-07-03 Power supply for light emitting diodes for room lighting

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE10033379A Ceased DE10033379A1 (en) 1999-07-01 2000-07-03 Power supply for light emitting diodes for room lighting

Country Status (1)

Country Link
DE (2) DE29911372U1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1076476A2 (en) * 1999-08-11 2001-02-14 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Device for operating at least one light emitting diode
FR2833425A1 (en) * 2001-12-10 2003-06-13 Jean Paul Blachere Electronic transformer for supplying festoon lighting with electricity, comprises rectification bridge with filter, two field effect transistors for voltage chopping and an isolating transformer

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10121380A1 (en) * 2001-05-02 2002-12-19 Garufo Gmbh Monitoring of LED type displays to ensure they are operating correctly, e.g. for signal displays used with railway switching and control, by monitoring the current drawn by individual display units and the whole unit
DE10257184B4 (en) * 2001-12-20 2008-09-25 Osram Opto Semiconductors Gmbh LED array and LED module
DE10243794B9 (en) * 2002-09-20 2007-03-08 Osram Opto Semiconductors Gmbh Circuit arrangement with an LED arrangement
DE102004020658A1 (en) * 2004-04-23 2005-11-10 Siemens Ag LED power supply device
DE102004034359B3 (en) * 2004-07-13 2006-02-23 Siemens Ag Circuit to operate a light signal for rail safety with parallel light diode chains has constant current source connected to a circuit element through a control reference voltage
DE102008037551B4 (en) * 2008-11-14 2013-04-18 Lear Corporation Gmbh Device for operating light-emitting diode chains
DE102015207677A1 (en) * 2015-04-27 2016-10-27 Tridonic Gmbh & Co Kg Bulb converter with polarity reversal protection

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1076476A2 (en) * 1999-08-11 2001-02-14 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Device for operating at least one light emitting diode
EP1076476A3 (en) * 1999-08-11 2002-03-27 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Device for operating at least one light emitting diode
FR2833425A1 (en) * 2001-12-10 2003-06-13 Jean Paul Blachere Electronic transformer for supplying festoon lighting with electricity, comprises rectification bridge with filter, two field effect transistors for voltage chopping and an isolating transformer
EP1339265A1 (en) * 2001-12-10 2003-08-27 Jean-Paul Blachere (SA) Electronic transformer for decorative light strings

Also Published As

Publication number Publication date
DE10033379A1 (en) 2001-02-01

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Legal Events

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R207 Utility model specification

Effective date: 19991230

R156 Lapse of ip right after 3 years

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R074 Re-establishment allowed

Effective date: 20030623

R150 Utility model maintained after payment of first maintenance fee after three years

Effective date: 20030623

R151 Utility model maintained after payment of second maintenance fee after six years

Effective date: 20060220

R158 Lapse of ip right after 8 years

Effective date: 20080201